This repository has been archived on 2024-03-28. You can view files and clone it, but cannot push or open issues or pull requests.
upload-generator/story.py

89 lines
4.2 KiB
Python

import io
import json
import os
import psutil
import re
import subprocess
def get_rtf_styles(rtf_source: str):
match_list = re.findall(r'\\s(\d+)(?:\\sbasedon\d+)?\\snext\d+((?:\\[a-z0-9]+ ?)+)(?: ([A-Z][a-zA-Z ]*));', rtf_source)
if not match_list:
raise ValueError(f'Couldn\'t find valid RTF styles')
rtf_styles = {}
for (style_number, partial_rtf_style, style_name) in match_list:
rtf_style = r'\s' + style_number + partial_rtf_style
rtf_styles[int(style_number)] = rtf_style
rtf_styles[style_name] = rtf_style
return rtf_styles
def parse_story(story_path, config, out_dir, temp_dir, ignore_empty_files=False):
should_create_txt_story = any(ws in config for ws in ('furaffinity', 'inkbunny', 'sofurry'))
should_create_md_story = any(ws in config for ws in ('weasyl',))
should_create_rtf_story = any(ws in config for ws in ('aryion',))
if not (should_create_txt_story or should_create_md_story or should_create_rtf_story):
raise ValueError('Invalid configuration for story parsing: No valid websites found')
for proc in psutil.process_iter(['cmdline']):
if proc.info['cmdline'] and 'libreoffice' in proc.info['cmdline'][0] and '--writer' in proc.info['cmdline'][1:]:
if ignore_empty_files:
print('WARN: LibreOffice Writer appears to be running. This command may output empty files until it is closed.')
break
print('WARN: LibreOffice Writer appears to be running. This command may raise an error until it is closed.')
break
story_filename = os.path.split(story_path)[1].rsplit('.')[0]
txt_out_path = os.path.join(out_dir, f'{story_filename}.txt') if should_create_txt_story else os.devnull
md_out_path = os.path.join(out_dir, f'{story_filename}.md') if should_create_md_story else os.devnull
txt_tmp_path = os.path.join(temp_dir, f'{story_filename}.txt') if should_create_rtf_story else os.devnull
RE_EMPTY_LINE = re.compile(r'^$')
RE_SEQUENTIAL_EQUAL_SIGNS = re.compile(r'=(?==)')
is_only_empty_lines = True
with subprocess.Popen(('libreoffice', '--cat', story_path), stdout=subprocess.PIPE) as ps:
# Mangle output files so that .RTF will always have a single LF between lines, and .TXT/.MD can have one or two CRLF
with open(txt_out_path, 'w', newline='\r\n') as txt_out, open(md_out_path, 'w', newline='\r\n') as md_out, open(txt_tmp_path, 'w') as txt_tmp:
needs_empty_line = False
for line in io.TextIOWrapper(ps.stdout, encoding='utf-8-sig'):
# Remove empty lines
line = line.strip()
md_line = line
if RE_EMPTY_LINE.search(line) and not is_only_empty_lines:
needs_empty_line = True
else:
if should_create_md_story:
md_line = RE_SEQUENTIAL_EQUAL_SIGNS.sub('= ', line.replace(r'*', r'\*'))
if is_only_empty_lines:
txt_out.writelines((line,))
md_out.writelines((md_line,))
txt_tmp.writelines((line,))
is_only_empty_lines = False
else:
if needs_empty_line:
txt_out.writelines(('\n\n', line))
md_out.writelines(('\n\n', md_line))
needs_empty_line = False
else:
txt_out.writelines(('\n', line))
md_out.writelines(('\n', md_line))
txt_tmp.writelines(('\n', line))
txt_out.writelines(('\n'))
md_out.writelines(('\n'))
if is_only_empty_lines:
error = f'Story processing returned empty file: libreoffice --cat {story_path}'
if ignore_empty_files:
print(f'Ignoring error ({error})')
else:
raise RuntimeError(error)
if should_create_rtf_story:
rtf_out_path = os.path.join(out_dir, f'{story_filename}.rtf')
# Convert temporary .txt to .rtf
subprocess.run(['libreoffice', '--convert-to', 'rtf:Rich Text Format', '--outdir', out_dir, txt_tmp_path], check=True, capture_output=True)
# Convert monospace font ('Preformatted Text') to serif ('Normal')
with open(rtf_out_path, 'r+') as f:
rtf = f.read()
rtf_styles = get_rtf_styles(rtf)
monospace_style = rtf_styles['Preformatted Text'] # rtf_styles[20]
serif_style = rtf_styles['Normal'] # rtf_styles[0]
f.seek(0)
f.write(rtf.replace(monospace_style, serif_style))
f.truncate()